Patents by Inventor Gerd Wittrin

Gerd Wittrin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5225903
    Abstract: An automatic contrast and brightness control system for thermal image apparatus in aircraft utilizes a section from the thermal image adapted to the flight and topography conditions to form the actual value with the section being shifted in dependence upon the image content.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: July 6, 1993
    Assignee: Carl-Zeiss-Stiftung
    Inventor: Gerd Wittrin